It can be less dangerous to set the option "Allow multiple parents with a single hierarchy" active by default when elements are uploaded to the dimension.
We have encountered several issues when hierarchies with multuple parents were destroyed, because of the missing activating of the option.
Is there any disadvantages if the option will be active?
Thank you for your great idea. While we cannot commit to a specific target version, we will consider adding it to our future internal backlog. If you can add further information about the context of this feature, please add it here so we can evaluate it more fully.